.ga-header{position:sticky;top:0;z-index:40;background:linear-gradient(135deg,rgba(255,255,255,0.96),rgba(255,244,255,0.98));backdrop-filter:blur(14px);border-bottom:1px solid rgba(248,250,252,0.9);box-shadow:0 10px 30px rgba(94,53,177,0.08)}.ga-header__inner{display:flex;align-items:center;justify-content:space-between;padding-top:var(--space-3);padding-bottom:var(--space-3);gap:var(--space-3)}.ga-header__brand{display:flex;align-items:center;min-width:0}.ga-header__logo-link{display:inline-flex;align-items:center;gap:0.75rem;padding:0.25rem 0.75rem;border-radius:999px;background:linear-gradient(120deg,rgba(255,111,183,0.16),rgba(177,141,255,0.12));border:1px solid rgba(255,255,255,0.9);box-shadow:var(--shadow-soft)}.ga-header__logo-link:hover{transform:translateY(-1px);box-shadow:var(--shadow-medium)}.ga-header__logo-mark{width:2.25rem;height:2.25rem;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;background:radial-gradient(circle at 30% 20%,#fff7fb 0,#ffe0f4 45%,#ffb0de 80%);font-size:1.45rem;box-shadow:0 8px 20px rgba(255,111,183,0.4)}.ga-header__brand-text{display:flex;flex-direction:column;line-height:1.1}.ga-header__brand-name{font-weight:700;font-size:0.95rem;color:var(--color-text)}.ga-header__brand-tagline{font-size:0.7rem;color:var(--color-text-muted)}@media(min-width:768px){.ga-header__brand-name{font-size:1.05rem}.ga-header__brand-tagline{font-size:0.78rem}}.ga-header__toggle{display:inline-flex;flex-direction:column;justify-content:center;align-items:center;width:2.5rem;height:2.5rem;border-radius:999px;border:1px solid var(--color-primary-soft);background:rgba(255,255,255,0.9);box-shadow:var(--shadow-soft);gap:0.25rem}.ga-header__toggle-bar{width:1.35rem;height:2px;border-radius:999px;background:var(--color-text)}.ga-header__toggle:focus-visible{box-shadow:var(--shadow-outline)}@media(min-width:960px){.ga-header__toggle{display:none}}.ga-header__nav{position:absolute;inset-inline:0;top:100%;background:linear-gradient(145deg,#fff9fd,#f3f7ff);border-bottom:1px solid rgba(226,232,240,0.9);box-shadow:0 16px 40px rgba(15,23,42,0.08);max-height:0;overflow:hidden;opacity:0;visibility:hidden;transform:translateY(-4px);transition:max-height var(--transition-slow),opacity var(--transition-base),visibility var(--transition-base),transform var(--transition-base)}.ga-header__nav-list{display:flex;flex-direction:column;gap:0.25rem;padding:0 var(--space-4) var(--space-3)}.ga-header__nav-item{display:block}.ga-header__nav-link{display:block;padding:0.75rem 0;border-radius:var(--radius-pill);font-size:0.95rem;font-weight:500;color:var(--color-text-muted)}.ga-header__nav-link:hover,.ga-header__nav-link:focus-visible{color:var(--color-text);background:rgba(255,255,255,0.9)}.ga-header__nav-item--cta{margin-top:0.75rem}.ga-header__play-btn{display:inline-flex;align-items:center;gap:0.4rem;padding:0.65rem 1.2rem;border-radius:999px;font-size:0.9rem;font-weight:600;color:#fff;background:linear-gradient(135deg,var(--color-primary),var(--color-accent-purple));box-shadow:var(--shadow-medium)}.ga-header__play-btn:hover{transform:translateY(-1px);box-shadow:var(--shadow-strong)}.ga-header__play-icon{display:inline-flex;align-items:center;justify-content:center}.ga-header--menu-open .ga-header__nav{max-height:420px;opacity:1;visibility:visible;transform:translateY(0)}@media(min-width:960px){.ga-header{position:sticky}.ga-header__inner{gap:var(--space-6)}.ga-header__nav{position:static;max-height:none;opacity:1;visibility:visible;transform:none;background:transparent;border-bottom:0;box-shadow:none}.ga-header__nav-list{flex-direction:row;align-items:center;justify-content:flex-end;padding:0;gap:0.5rem}.ga-header__nav-link{padding:0.5rem 0.9rem;font-size:0.9rem}.ga-header__nav-item--cta{margin-top:0}.ga-header__play-btn{margin-left:0.5rem}}@media(min-width:1200px){.ga-header__nav-list{gap:0.75rem}.ga-header__nav-link{font-size:0.95rem}}.ga-header__nav-link--active{color:var(--color-primary-strong);background:rgba(255,224,241,0.9)}